Council of Trent: Session 24
Chapter 16
What duty devolves on the Chapter during the vacancy of a See.
When a See is vacant, the Chapter, in those places where the duty of receiving the fruits devolves upon it, shall appoint one or more faithful and diligent stewards to take care of the property and revenues of the church, of which they shall afterwards give an account to him whom it may regard. It shall also be absolutely bound, within eight days after the decease of the bishop, to appoint an official, or vicar, or to confirm the one who fills that office; who shall at least be a doctor, or a licentiate, of canon law, or otherwise as competent a person as can be procured: if anything be done contrary hereto, the appointment aforesaid shall devolve on the metropolitan. And if the church be itself the metropolitan, or exempted, and the Chapter shall be, as has been said above, negligent, then shall the oldest of the suffragan bishops in that metropolitan church, and the nearest bishop in regard of that church that is exempted, have power to appoint a competent steward and vicar. And the bishop, who is promoted to the said vacant church, shall demand, from the said steward, vicar, and all other officers and administrators, who, during the vacancy of the See, were, by the Chapter, or others, appointed in his room,—even though they should belong to the Chapter itself,—an account of those things which concern him, of their functions, jurisdiction, administration, or of any other their charge whatsoever; and shall have power to punish those who have been guilty of any delinquency in their office or administration, even though the officers aforesaid, having given in their accounts, may have obtained a quittance or discharge from the Chapter, or those deputed thereby. The Chapter shall also be bound to render an account to the said bishop of any papers belonging to the church, if any such have come into the possession thereof.
Chapter 17
In what case it is lawful to confer more than one benefice upon one individual; and for him to retain the same.
Whereas ecclesiastical order is perverted when one cleric fills the offices of several, the sacred canons have holily provided that no one ought to be enrolled in two churches. But, seeing that many, through the passion of ungodly covetousness deceiving themselves, not God, are not ashamed to elude, by various artifices, what has been so excellently ordained, and to hold several benefices at the same time; the holy Synod, desiring to restore the discipline required for the government of the church, doth by this present decree,—which It orders to be observed in regard of all persons whatsoever, by whatsoever title distinguished, even though it be by the dignity of the Cardinalate,—ordain, that, for the future, one ecclesiastical benefice only shall be conferred on one and the same person. If indeed that benefice be not sufficient to afford a decent livelihood to the person on whom it is conferred, it shall then be lawful to bestow on him some other simple benefice that may be sufficient; provided that both do not require personal residence. And the above shall apply not only to cathedral churches, but also to all other benefices whatsoever, whether Secular or Regular, even to those held in commendam, of whatsoever title and quality they may be. But they who at present hold several parochial churches, or one cathedral and one parochial church, shall be absolutely obliged,—all dispensations and unions for life whatsoever to the contrary notwithstanding,—retaining one parochial church only, or the cathedral church alone, to resign the other parochial churches within the space of six months; otherwise as well the parish churches, as also all the benefices which they hold, shall be accounted ipso jure void, and as void shall be freely conferred on other competent persons; nor shall they who previously held them be able to retain the fruits thereof, with a safe conscience, after the said time. But the holy Synod desires that a provision be made in some suitable manner, as may seem fit to the Sovereign Pontiff, for the necessities of those who resign.